Originally Posted by
WhyFi
Much like driving, people often overestimate their proficiency when it comes to the self-checkout. Nothing like waiting on someone with several vegetables to fumble through the key-in codes.
Plus, you can't go through self-checkout with a lot of stuff.
There are some slow cashiers (e.g., there's an 80-year-old one at area Walmart), but by and large your average cashier is going to be faster than your average customer.